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This paper presents a controller with duty-cycle dynamic distribution within parallel-connected PFC converters based on average-current control strategy, which can distribute the control duty-cycle automatically for each parallel-connected PFC converter to realize current balance by the difference from its reference current, and it can decrease and even eliminate the disturbance resulted by current-balancing...
This paper aims to analyze and project a digital controller using a low cost DSPIC applied to a pre-regulator with power factor correction intermediated by the eigen control strategy. All the controller project steps are detailed in this paper.
This paper proposes a predictive algorithm for AC-DC three phase converter with active power factor correction. The control proposed does not have current feedbacks and the input current levels are controlled by the DC voltage loop. The main idea of this algorithm is to take the three phases converter like a sequence of two converters working simultaneously and the equations modeled was approximated...
A passivity based control scheme is applied to a buck converter operating as an active power factor corrector. The converter is modeled via an Euler-Lagrange (energy) approach and two control laws are derived from this non linear model: a direct control (using the voltage in the capacitor) and an indirect control (via the current in the inductance current). The resistive load impedance is estimated...
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